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FORUMS Leica Cameras, Lenses & Accessories Leica Cameras 
Thread started 30 Aug 2016 (Tuesday) 17:57
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Uh oh.... whats this in my lens.

 
Pixelvandalpav
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Aug 30, 2016 17:57 |  #1

I pulled out my old Leica x1 camera the other day and noticed something strange.
There appears to be, behind the first lens element, an issue. It appears as though the coating has degraded within the lens, there is a small ring, in the centre of this element, which is approx 1mm in thickness, and with a diameter of approx 4mm wide. has this ever been an issue before? only shows up in certain light, sunlight, or direct light from my little lightbox. but not in regular indoor lighting.

apologies for the poor photos, taken with my phone for quick reference.

I have contacted camera clinic in australia and am waiting on a response as to what they think, but just wanted to ask around to see if anyone has seen anything like this before?

kind regards


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Kellyrae
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Jul 27, 2018 09:56 |  #2

Could it be a newton ring?


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gjl711
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Jul 27, 2018 10:12 |  #3

Almost looks like a drop of oil has dripped onto the lens. It's hard to tell from the picture, but could it possible be on the surface of the outer lens? Have you tried cleaning it?


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Inspeqtor
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Post edited 20 days ago by Inspeqtor.
     
Jul 27, 2018 10:53 |  #4

Pixelvandalpav has not posted here since Sept. 7, 2016


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Tom ­ Reichner
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Post edited 20 days ago by Tom Reichner.
     
Jul 27, 2018 11:27 |  #5

Inspeqtor wrote in post #18671869 (external link)
Pixelvandalpav has not posted here since Sept. 7, 2016

.
Well, I am glad that he/she came back to get some help from us hear at POTN!

I wish I could offer some insight on the lens spot, but without seeing it in person I don't really have a clue. . If it were on my lens I would first double-check to really make sure it isn't on the outside of the element, as JJ suggested in post #3.

If it is definitely on the inside of the lens, I would call a third party repair service to get a quote on having it disassembled and cleaned. . I wouldn't really care what it was or what caused it, I would just want it removed.

Oh, yeah - almost forgot to ask the most important thing:
Does it have a noticeable effect on image quality? . I mean, can you see an area of your photos that is unclear? . If not, then I would probably just ignore it and keep shooting away!


.


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Jul 27, 2018 12:15 |  #6

Tom Reichner wrote in post #18671883 (external link)
.
Well, I am glad that he/she came back to get some help from us hear at POTN!
.

Could be that this didn't get a response at all for 2 years. :-)


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Post edited 20 days ago by gjl711.
     
Jul 27, 2018 12:38 |  #7

Wow, a zombie thread. I didn't even notice that. :)


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Colorblinded
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Jul 27, 2018 12:42 |  #8

Kellyrae wrote in post #18671812 (external link)
Could it be a newton ring?

I'm having a hard time saying yes to that, but it could be this migraine. If that's a doublet that's epoxied together or something and the adhesive is failing, it could separate and do that maybe? Not sure how they're assembled.


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Jul 27, 2018 13:28 |  #9

My guess is that it is residue from moisture that got into the lens.

Tom, there is no sign that he/she came back, not so far anyway.

No, not a "newton ring". Normally one doesn't speak of these in the singular, because the phenomenon is an interference pattern that makes many rings. Newton rings.


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Uh oh.... whats this in my lens.
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